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Written by on February 18, 2022

There are a lot of good reasons to chew gum.

Bad breath? Chew a piece of gum!
Bored? Chew a piece of gum!
Hungry? Chew a piece of gum!
Feel stressed? Chew a piece of gum!
Want something sweet without eating something sweet? Chew a piece of gum!
Just had coffee and don’t want to wipe out everyone else in the office? Chew a piece of gum!

When You Chew Gum Every Day, This Is What Happens To Your Body

If you’ve ever wondered “Is chewing gum bad for you?”, you’ll want to read this post and share it with your friends.

When it comes to chewing gum, you should know that it…

1. Trains you to crave sweets

I love sweets too much. How can I eat more and be slim? - Quora

simple as that. The less we expose ourselves to sweet tastes, from naturally sweet foods or artificial sweeteners, the less our taste buds will crave them.

“Artificial sweeteners, precisely because they are sweet, encourage sugar craving and sugar dependence. Repeated exposure trains flavour preference. A strong correlation exists between a person’s customary intake of a flavour and his preferred intensity for that flavour.” – Yale J Biol Med, 2010.

2. Can be addictive

Chewing gum launched to stop sweet cravings in their tracks

Sweet tastes activate the same reward pathways in the brain that are triggered with drug addiction. And an oft-quoted rat study on the addictive capacity of artificial sweeteners demonstrates this perfectly.

“When rats were allowed to choose mutually-exclusively between water sweetened with saccharin–and intense calorie-free sweetener–and intravenous cocaine–a highly addictive and harmful substance–the large majority of animals (94%) preferred the sweet taste of saccharin.” – PLoS, 2007

Moreover, the satisfaction we get from actual sugar (as measured by brain imaging) is dampened in people who regularly consume artificial sweeteners. This means if you’re using sugar-free gum to satisfy your sweet tooth, it’s not working and it may be making you more addicted to sugar.

“A negative correlation between artificial sweetener use and amygdala response to sucrose ingestion was observed.” – Appetite, 2012.

3. Messes up your digestion

Chewing prepares your body to digest food, releasing a complex cascade of acids, enzymes, and digestive hormones. We have a direct nerve connection from our gut to our brain and when we start chewing, we trigger innumerable metabolic reactions within our body.

What Really Happens When You Swallow Gum? - YouTube

Gum works so well to stimulate digestive juices that it’s even been suggested for people who’ve undergone GI surgery to increase bowel motility while they are still unable to eat food.

The use of gum chewing in the postoperative period is a safe method to stimulate bowel motility and reduce ileus after colorectal surgery.” – Diseases Of The Colon And Rectum, 2007

While gum certainly has a place for postoperative patients, it doesn’t exert beneficial effects for everyone. Anecdotally, some folks have heartburn or indigestion from chewing gum, since acid levels rise to match the food your body expects to digest, only to find it never arrives. Gum can also cause bloating if you swallow air while chewing. But it doesn’t stop there. Chewing gum can negatively impact gut bacteria, as I’ll discuss below.

4. Kills your good bacteria

Just about everything we eat affects our gut bacteria. Certain foods, such as vegetables, support the growth of beneficial bacteria while certain foods or substances harm these populations. A recent study showed that artificial sweeteners negatively affects our good bacteria (probiotics) and may impact our metabolism. In this study, rats with no gut bacteria received bacteria from mice that had been fed artificial sweeteners (aspartame, sucralose, or saccharin). What happened is fascinating:

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“Once these bug-free mice were treated with the faeces of normal mice that had eaten artificial sweeteners, their blood sugar levels spiked upon eating artificial sweeteners, suggesting that the gut bugs were the driving force in the reaction.” – Nature, 2014

Splenda (sucralose) specifically has negative effects on gut bacteria, even at levels one-fifth of the doses considered “safe” by the FDA (called the Acceptable Daily Intake):

“Evidence indicates that a 12-wk administration of Splenda exerted numerous adverse effects, including (1) reduction in beneficial faecal microflora, (2) increased faecal pH, and (3) enhanced expression levels of P-GP, CYP3A4, and CYP2D1, which are known to limit the bioavailability of orally administered drugs.” – Journal of Toxicology and Environmental Health, 2008

Splenda’s antibacterial effects make sense when you look at the organic chemistry and see three molecules of chlorine, a potent bacteria killer.

“At the end of the 12-wk treatment period, the numbers of total anaerobes, bifidobacteria, lactobacilli, Bacteroides, clostridia, and total aerobic bacteria were significantly decreased.” – Journal of Toxicology and Environmental Health, 2008.

5. Can lead to food sensitivities

Our bodies like change. If we go back in time to hunter-gatherer days, we had to eat by the seasons. That meant we’d only have certain plant and animal foods available at specific times of the year. Nowadays, we can buy exotic food from all over the world at any time of year and many foods have become daily staples.

Food intolerance: Causes, types, symptoms, and diagnosis

Some of the foods that people are reliant on can become reactive overtime when their immune system never gets a break. And whenever I see mint or artificial sweeteners come up reactive, one of the first questions I ask is if the person chews gum regularly. It might seem benign, but if you’re struggling with chronic digestive issues or other inflammatory symptoms, you might try laying off the gum for a bit.

6. Makes you hungry

You can’t fool your brain. When the body tastes something sweet, it anticipates it will receive calories… only in the case of artificially sweetened gum, it doesn’t happen. Dr Wurtman from MIT has demonstrated in rat studies that aspartame suppressed the increase in serotonin concentrations that normally follow glucose ingestion. This leaves your body confused, unsatisfied, and hungry for real food, which has been well documented in studies.

Chewing Gum from 14 Foods That Are Secretly Making You Hungrier - The  Active Times

“Relative to groups given nothing or unsweetened gum base to chew, groups given the [aspartame] sweetened gum bases increased hunger ratings” – Psychol & Behav, 1990.

Add to this the confusion your body gets when chewing triggers the release of digestive juices (described above) only to find that real food never enters your stomach, and you have a double whammy effect on hunger levels.

7. Disregulates your blood sugar

A classic reason people choose gum (and artificially sweetened products) is to cut back on sugar and to control diabetes. For many years it was believed that artificial sweeteners do not and cannot raise blood sugar. But a recent study published in the journal Nature has flipped this thinking upside down when it was revealed that people who consume the most artificial sweeteners were more likely to have blood sugar problems.

Diabetes and Teeth - American Dental Association

The usual rebuttal is that people who consume artificial sweeteners already have weight problems and overeat despite consuming artificial sweeteners, but when they gave a group of people who didn’t regularly consume artificial sweeteners controlled amounts of saccharin, 57% had a significant increase in blood sugar levels. Research in rats came to the same conclusion and it appears that the interaction between artificial sweeteners and gut bacteria is to blame.

“Depending on the types of microbes they had in their intestines, some people and mice saw a two- to fourfold increase in blood sugars after consuming the artificial sweeteners.” – Nature, 2014.

8. Confuses your satiety signals

Your body isn’t dumb and it knows when it doesn’t get the real thing. Part of how our body regulates food intake is the release of gut hormones, some of which are called “satiety peptides”. When this process works normally, you eat food and your body releases these satiety peptides to tell you when it’s had enough. But this doesn’t happen after eating artificial sweeteners or from chewing artificially sweetened gum.

Hunger and Eating – Psychology

In a study comparing satiety from real sugar versus artificial sweeteners, researchers compared the release of gastrointestinal satiety peptides following ingestion. The artificial sweeteners they tested included aspartame, acesulfame K, and sucralose. The carbohydrate sweeteners (real sugar) triggered satiety and the release of satiety peptides, whereas none of the artificial sweeteners had this effect.

“Both carbohydrate sugars increased satiety and fullness… In contrast, equi-sweet loads of artificial sweeteners did not affect gastrointestinal peptide secretion with minimal effects on appetite.” – British Journal of Nutrition, 2011.

Now, there is some research that gum might be a good thing.

That’s because the act of chewing itself can help ease anxiety and stress. So the idea is – if you’re less stressed, you’ll be less inclined to use food to manage it. Unfortunately, if the gum contains artificial sweeteners, you’re working against yourself for the reasons I outlined above.

Plus, I believe distracting yourself from stress by chewing perpetuates the idea that eating will solve your stress or emotional problems, which it won’t. As a temporary fix to alleviate anxiety, I see no problem, but when it becomes a daily crutch to avoid the real issue at hand, it’s not serving your highest good.

“A recent research article sums it up well: “Non-caloric artificial sweetener consumption is considered safe and beneficial owing to their low caloric content, yet supporting scientific data remain sparse and controversial.” – Nature, 2014.

There is no magic sweetener that will taste exactly like sugar without any of the risks. Play it safe and choose not to make a habit of consuming artificial sweeteners or artificially sweetened gum.

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